In Ben Horowitz’s book, he talks about the difficulties and problems entrepreneurs face when developing their startups. The author offers advice based on his own experience on managing a business, sales, consulting, and investing. The book is filled with the author’s humor and candid remarks about business. It will be useful both for experienced entrepreneurs and newcomers, and it will help you navigate complex situations such as firing friends, hiring employees from the companies of acquaintances, and deciding whether to sell the company.